11221200222 has 32 divisors (see below), whose sum is σ = 22859501184. Its totient is φ = 3671148000.

The previous prime is 11221200209. The next prime is 11221200247. The reversal of 11221200222 is 22200212211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138097 + ... + 203747.

It is an arithmetic number, because the mean of its divisors is an integer number (714359412).

Almost surely, 2^11221200222 is an apocalyptic number.

11221200222 is an abundant number, since it is smaller than the sum of its proper divisors (11638300962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11221200222 is a wasteful number, since it uses less digits than its factorization.

11221200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66184.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 11221200222 its reverse (22200212211), we get a palindrome (33421412433).

The spelling of 11221200222 in words is "eleven billion, two hundred twenty-one million, two hundred thousand, two hundred twenty-two".